user
Create a list of items or features required to complete the given project
A mobile web application for a grocery delivery service

assistant
Requirements for Mobile Web Application for Grocery Delivery Service:

1. Shopping cart with payment gateway 
2. User accounts to track orders, store preferences and delivery information
3. Ability to search and filter products 
4. Shopping list for recurring orders
5. Time-slot based delivery options 
6. Delivery notifications and tracking 
7. Loyalty programs 
8. Rewards for referral and promotions 
9. Adaptive design for different mobile devices